Critical Thinking Activities - Chapter 3

1. If a certain type of cell breaks alcohol down, what cell component (s) are more likely to be abundant.
2. If a cell is a big business, where are the:

• a. head office
• b. security fence
• c. shipping office
• d. warehouse
• e. powerhouses

3. Why can't mature red blood cells from a human undergo mitosis?
4. How would a thymine analog stop the processes of cell division? What effect would this chemical most likely have on protein synthesis? An analog for a chemical is one that will appear similar but not work like the true chemical.
5. We know that a certain part of a human chromosome has the gene with information to make polypeptide X. This section has 3,000 base pairs in it. What other information do you need before you can predict how long the polypeptide is?

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